private static ResponsePacketInfo DeserializeResponseFileName(String shortFileName)
{
ResponsePacketInfo responsePacket = new ResponsePacketInfo();
// Get SIF_DestinationId, SIF_RequestMsgId, and SIF_PacketNumber from
// the filename
// FORMAT: "{requestSourceId}.{requestMsgId}.{packet#}.{ver}.{morePackets}[.$].pkt"
// the filename "{requestSourceId}.{requestMsgId}.{packet#}.pkt"
string [] tokens = shortFileName.Split('.');
String destId = tokens[0];
destId = deserializeToken(destId);
responsePacket.destinationId = destId;
responsePacket.requestMsgId = tokens[1];
responsePacket.packetNumber = int.Parse(tokens[2]);
string ver = tokens[3];
ver = ver.Replace('_', '.');
responsePacket.version = SifVersion.Parse(ver);
// A leading $ on the filename indicates this is a response packet
// with a SIF_Error
responsePacket.errorPacket = shortFileName.EndsWith("$.pkt");
return(responsePacket);
}
/// <summary>
/// Sends a specific packet to the zone
/// </summary>
/// <param name="file"></param>
/// <param name="morePackets"></param>
protected internal virtual void SendPacket(FileInfo file,
bool morePackets)
{
long extraBytes = 0;
ResponsePacketInfo responsePacket = DeserializeResponseFileName(file.Name);
/* If we're processing SIF_ReportObject responses, read the ReportInfo
* data from the "requestMsgId.rpt" file
*
* TT 894 - If a SIFException is thrown after the ReportInfo is set on
* the ReportObjectStream, then we don't want to include that ReportInfo
* in the packet with the error. In that case, rptInfoReader will be
* null and will not be included in the list of payloads below.
*/
FileStream rptInfoStream = null;
if (fSrc == ResponseDeliveryType.SIFReportObject && !responsePacket.errorPacket)
{
try {
FileInfo f =
new FileInfo
(fWorkDir + Path.DirectorySeparatorChar.ToString() + responsePacket.destinationId + "." +
responsePacket.requestMsgId + ".rpt");
rptInfoStream = f.OpenRead();
extraBytes = f.Length;
}
catch (FileNotFoundException fnfe) {
fZone.Log.Debug
("Error sending SIF_ReportObject packet #" + responsePacket.packetNumber + (morePackets ? "" : " (last packet)") + ", file not found: " + fnfe.Message);
}
}
if ((Adk.Debug & AdkDebugFlags.Messaging) != 0)
{
fZone.Log.Debug
("Sending " + (responsePacket.errorPacket ? "SIF_Error response" : "SIF_Response") +
" packet #" + responsePacket.packetNumber +
(morePackets ? "" : " (last packet)"));
}
// Prepare SIF_Response
SIF_Response rsp = new SIF_Response();
rsp.SetSIF_MorePackets(morePackets ? YesNo.YES : YesNo.NO);
rsp.SIF_RequestMsgId = responsePacket.requestMsgId;
rsp.SIF_PacketNumber = responsePacket.packetNumber;
// The SIF_Response is rendered in the same version of SIF as the original SIF_Request
rsp.SifVersion = responsePacket.version;
if (responsePacket.errorPacket)
{
// Write an empty "<SIF_Error> </SIF_Error>" for the MessageStreamer
// to replace
SIF_Error err = new SIF_Error();
err.TextValue = " ";
rsp.SIF_Error = err;
}
if (!responsePacket.errorPacket || responsePacket.version.Major == 1)
{
// Write an empty "<SIF_ObjectData> </SIFObjectData>" for the
// MessageStreamer to fill in. If this is an errorPacket, the empty
// element is required per the SIF 1.x Specifications, but disallowed
// in SIF 2.x.
SIF_ObjectData placeholder = new SIF_ObjectData();
placeholder.TextValue = " ";
rsp.SIF_ObjectData = placeholder;
}
// Assign values to message header - this is usually done by
// MessageDispatcher.send() but because we're preparing a SIF_Response
// output stream we need to do it manually
SIF_Header hdr = rsp.Header;
hdr.SIF_Timestamp = DateTime.Now;
hdr.SIF_MsgId = SifFormatter.GuidToSifRefID(Guid.NewGuid());
hdr.SIF_SourceId = fZone.Agent.Id;
hdr.SIF_Security = fZone.Dispatcher.secureChannel();
hdr.SIF_DestinationId = responsePacket.destinationId;
// Write SIF_Response -- without its SIF_ObjectData payload -- to a buffer
using (MemoryStream envelope = new MemoryStream()) {
SifWriter writer = new SifWriter(envelope);
writer.Write(rsp);
writer.Flush();
envelope.Seek(0, SeekOrigin.Begin);
FileStream fs = file.OpenRead();
try {
// Send the SIF_Response as a stream
Stream [] payloads;
if (fSrc == ResponseDeliveryType.Generic)
{
payloads = new Stream [] { fs };
}
else
{
if (rptInfoStream != null)
{
payloads = new Stream [] { rptInfoStream, fs };
}
else
{
payloads = new Stream [] { fs };
}
}
using (MessageStreamer ms = new MessageStreamer
(
envelope,
payloads,
responsePacket.errorPacket ? "<SIF_Error>" : "<SIF_ObjectData>", responsePacket.errorPacket))
{
if ((Adk.Debug & AdkDebugFlags.Messaging) != 0)
{
fZone.Log.Debug("Send SIF_Response");
}
if ((Adk.Debug & AdkDebugFlags.Messaging_Detailed) != 0)
{
fZone.Log.Debug(" MsgId: " + rsp.MsgId);
}
SIF_Ack ack;
using (IMessageInputStream ackStream = fZone.ProtocolHandler.Send(ms)) {
ack =
(SIF_Ack)
fParser.Parse
(ackStream.GetInputStream(), fZone, SifParserFlags.None);
}
if (ack != null)
{
ack.LogRecv(fZone.Log);
}
}
// If we get here, the message was sent successfully
envelope.Close();
for (int i = 0; i < payloads.Length; i++)
{
payloads[i].Close();
}
fs.Close();
if (DELETE_ON_SUCCESS && file.Exists)
{
file.Delete();
}
}
catch (AdkException adke) {
AdkUtils._throw(adke, fZone.Log);
}
catch (Exception e) {
AdkUtils._throw
(new AdkException("Failed to send SIF_Response: " + e, fZone), fZone.Log);
}
finally {
if (fs != null)
{
fs.Close();
}
if (rptInfoStream != null)
{
rptInfoStream.Close();
}
}
}
}
